Home / 4,500.79-6,209.17-2,821.05

Finding the Fourth Proportional to 4,500.79, 6,209.17 and 2,821.05

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Solution

The fourth proportional to 4,500.79, 6,209.17 and 2,821.05 is: 3,891.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,500.79 : 6,209.17 = 2,821.05 : x
  2. Step 2: Convert to fraction form
    4,500.79/6,209.17 = 2,821.05/x
  3. Step 3: Cross multiply
    4,500.79x = 6,209.17 × 2,821.05
  4. Step 4: Simplify right side
    4,500.79x = 17,516,371.98
  5. Step 5: Solve for x
    x = 17,516,371.98/4,500.79
  6. Step 6: Final answer
    x = 3,891.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.